Jigger



FIG. 1 is a front isometric view of a jigger of the present invention;

FIG. 2 is a left-side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a top plan view thereof. 

CLAIM The ornamental design for a jigger, as shown. 